1604080

素因数分解:

$2^4\times 5^1\times {\mathrm{20051}}^1$

素因数の和:20064

約数の個数: 20

約数和(自身を含む): 3729672

約数和(自身を除く): 2125592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20051, 40102, 80204, 100255, 160408, 200510, 320816, 401020, 802040, 1604080]

約数ペア:

[(1, 1604080), (2, 802040), (4, 401020), (5, 320816), (8, 200510), (10, 160408), (16, 100255), (20, 80204), (40, 40102), (80, 20051)]